Definitions for tampionˈtæm pi ən
Random House Webster's College Dictionary
tam•pi•onˈtæm pi ən(n.)
a plug placed in the muzzle of a piece of ordnance to keep it free of moisture and dirt when not in use.
Origin of tampion:
1615–25; earlier, any type of plug or bung; late ME, var. of tampon < MF, alter. of OF tapon, der. of tape plug < Gmc. See tap2
plug for the muzzle of a gun to keep out dust and moisture
A wooden plug, or a metal or canvas cover for the muzzle of a gun, a cannon or other piece of ordnance when not in use; a stopper; a bung.
A plug for the upper end of an organ pipe.
a wooden stopper, or plug, as for a cannon or other piece of ordnance, when not in use
a plug for upper end of an organ pipe